Display screen or a portion thereof with graphical user interface



The FIGURE is a front view of a display screen or a portion thereof with graphical user interface.

The outer broken line, showing the display screen or portion thereof, and all other broken lines, showing portions of the graphical user interface, illustrate portions of the article of manufacture. None of the aforementioned broken-line subject matter forms part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or a portion thereof with graphical user interface, as shown and described. 